... used for Marble,Stone, Granlte and so on. Model Marble Engraving Machine S1325ItemDescriptionParameter1X, Y, Z working area1300 ... rapid0-20000mm/min11Max. working speed0-10000mm/min12Spindle power motor6kw Spindle, ER2513Spindle speed0-18000RPM14Working modeStepper15Working voltage3 ... code(*uoo,*nc,*mmg, *plt)17Operating systemDSP System 18InterfacePrinter port 50pins or USB19System memory128M (or ...